Surveying The scale of the photography taken from a height of 300 m, with a camera of focal length 15 cm, is 1 : 10,000 1 : 30,000 1 : 20,000 1 : 15,000 1 : 10,000 1 : 30,000 1 : 20,000 1 : 15,000 ANSWER DOWNLOAD EXAMIANS APP
Surveying Dumpy level is most suitable when many readings are to be taken from a single setting of the instrument All of these fly levelling is being done over long distance the instrument is to be shifted frequently many readings are to be taken from a single setting of the instrument All of these fly levelling is being done over long distance the instrument is to be shifted frequently ANSWER DOWNLOAD EXAMIANS APP
Surveying If the reduced bearing of a line AB is N60°W and length is 100 m, then the latitude and departure respectively of the line AB will be +50 m, +86.6 m +70.7 m, -50 m +86.6 m, -50 m +50 m, -86.6 m +50 m, +86.6 m +70.7 m, -50 m +86.6 m, -50 m +50 m, -86.6 m ANSWER DOWNLOAD EXAMIANS APP
Surveying The allowable length of an offset depends upon the degree of accuracy required All of these method of setting out the perpendiculars and nature of ground scale of plotting degree of accuracy required All of these method of setting out the perpendiculars and nature of ground scale of plotting ANSWER DOWNLOAD EXAMIANS APP
Surveying If α is the observed altitude, the refraction correction in seconds, is 58" tan α 58 sin α 58 cos α 58" cot α 58" tan α 58 sin α 58 cos α 58" cot α ANSWER DOWNLOAD EXAMIANS APP
Surveying If a tripod settles in the interval that elapses between taking a back sight reading and the following foresight reading, then the elevation of turning point will increase decrease either ‘A’ or ‘B’ not change increase decrease either ‘A’ or ‘B’ not change ANSWER DOWNLOAD EXAMIANS APP